Scph90001 Bios V18 Usa 230

: SCPH-90001 is the North American (USA) version of the 9000x series, known as the "v18" hardware revision.

If you see a solid red screen instead of the black BIOS screen: scph90001 bios v18 usa 230

is unique to late-model SCPH-9000x units and the PSone. In hexadecimal terms, this is often referred to as BIOS v4.5 or v5.1 in homebrew communities. : SCPH-90001 is the North American (USA) version